CN209842070U - Indoor positioning system based on intelligent equipment - Google Patents
Indoor positioning system based on intelligent equipment Download PDFInfo
- Publication number
- CN209842070U CN209842070U CN201920451229.5U CN201920451229U CN209842070U CN 209842070 U CN209842070 U CN 209842070U CN 201920451229 U CN201920451229 U CN 201920451229U CN 209842070 U CN209842070 U CN 209842070U
- Authority
- CN
- China
- Prior art keywords
- bluetooth
- module
- navigation
- beacon
- indoor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Navigation (AREA)
Abstract
The utility model discloses an indoor positioning system based on smart machine. The system comprises a plurality of Bluetooth beacons for periodically sending signals, the intelligent equipment comprises a Bluetooth module for receiving the signals of the Bluetooth beacons in a matched mode, the navigation module is provided with a high-precision map, and the navigation module estimates the current position based on the signals of the plurality of Bluetooth beacons received by the Bluetooth module and recommends a navigation path based on the estimated current position. By means of the system and the navigation method, accurate positioning is achieved in the indoor place or the underground garage place and other places with weak GPS signals by means of the position of the Bluetooth beacon, the direction of the vehicle is judged, the driving path of the vehicle is recommended, and the vehicle is accurately navigated to the indoor accurate charging area provided with the charging pile.
Description
Technical Field
The utility model relates to a navigation, specificly relate to a navigation of indoor location of filling electric pile accurate position based on smart machine.
Background
With the development of new energy electric vehicles, the charging network of the electric vehicle is also rapidly developed, at present, the vehicle refueling is carried out in outdoor gas stations in the open air, and the refueling speed is calculated in several minutes, so the vehicle refueling is generally carried out on the way, and the vehicle is refueled and then driven to a destination after being refueled. Electric vehicle charging often takes tens of minutes or more. The charging property of the electric vehicle determines that the charging of the electric vehicle cannot be performed in a scene like the traditional vehicle refueling, the electric vehicle charging is more likely to be performed at a destination, and the charging action is performed after the destination is reached. However, parking places such as large underground garages are probably existed at destinations of large and medium cities, and how to quickly find charging facilities in the large underground garages is a great test because indoor GPS signals are weak, and the requirement of indoor accurate positioning cannot be met. Today that indoor charging pile replaces filling station gradually, the demand that the electric automobile owner found the stake has can't be satisfied completely in simple GPS navigation. Therefore, a new positioning mode is needed to charge the electric automobile, and the problem that a practical pile finding is difficult to solve.
Disclosure of Invention
Problem to prior art exists, the utility model provides an indoor electric pile accurate position positioning system and navigation method fill realizes indoor or the underground garage and finds the purpose of filling electric pile fast. The method can enable an electric vehicle owner to easily find the position of the charging pile by combining GPS and indoor navigation of the Bluetooth beacon.
In order to realize the purpose, the utility model adopts the following technical scheme:
an indoor positioning system based on a smart device, comprising: a plurality of Bluetooth beacons for periodically transmitting signals,
the intelligent device comprises a Bluetooth module for matching and receiving signals of a Bluetooth beacon,
the navigation module is configured with a high-precision map, estimates the current position based on signals of a plurality of Bluetooth beacons received by the Bluetooth module, and recommends a navigation path based on the estimated current position.
Preferably, the navigation module includes accurate indoor map information of an indoor place or an underground garage place where the electric vehicle enters, and the navigation module determines a current running direction of the vehicle to recommend a navigation path based on the estimated current position and the detected beacon ID.
Preferably, the bluetooth beacon is used as a bluetooth slave and broadcasts a data packet to the surroundings at regular intervals. The data packet includes the unique ID of the beacon and its attribute information. At least 3 bluetooth beacons are generally required to achieve accurate positioning.
Preferably, the bluetooth beacon is configured as a bluetooth slave at an entrance or an intersection of an indoor place where the electric vehicle enters or an underground garage place. Therefore, when the intelligent device enters the signal range of the Bluetooth beacon and the intelligent device carrying the Bluetooth module executes scanning action, the intelligent device can receive the data packet broadcasted by the Bluetooth beacon at intervals.
When the smart device as a bluetooth module receives the broadcast packet, it will read which bluetooth beacon slave the broadcast packet comes from, and the current received and transmitted Signal strength indicator rssi (received Signal strength indicator).
Preferably, the smart device as a bluetooth module receives RSSI values of 3 bluetooth beacons, and specific positions (x1, y1), (x2, y2), (x3, y3) of the three bluetooth beacons, and the distances d1, d2, and d3 between the smart device and the respective bluetooth beacons can be determined according to the RSSI values of the bluetooth beacons.
Preferably, the navigation module of the intelligent device communicates with the server in real time through the GPRS to acquire map information, and navigates the automobile on the basis of estimating the position of the automobile and judging the direction of the automobile.
Preferably, the navigation module communicates with the server through GPRS in advance through the previous location information of the client, and downloads the indoor map of the corresponding destination. Therefore, the problem that the indoor navigation cannot be accurately realized due to weak destination indoor GPRS signals can be prevented.
Preferably, the number of the bluetooth beacons is 3 or more, and the bluetooth beacons are densely arranged in a case where the charging pile is installed. Can accurate navigation like this to have the stake of charging of accurate number.
Preferably, the navigation module further comprises a running direction detecting module electrically connected to the navigation module and the bluetooth module, and configured to receive information fed back by the bluetooth module and determine a running direction of the current vehicle based on the detected beacon ID.
Preferably, the embodiment of the utility model provides a still provide a navigation method based on smart machine, it contains, S1, acquires the bluetooth beacon signal, S2, estimates current position information, and the navigation module estimates the current position information of smart machine based on the signal that receives promptly, S3, recommends the navigation path, recommends the route of traveling to the charging station (the stake of charging) in this region promptly based on the map information that the navigation module carried on and the current position information of estimation. By the method, the charging station (charging pile) can be conveniently found in an indoor place or an underground garage place where the GPS signal is very weak, and further the electric (automobile) vehicle is charged. In this embodiment, the navigation path is recommended in conjunction with the traveling direction of the vehicle.
Preferably, S2 of the method includes that the bluetooth module receives RSSI values of 3 bluetooth beacons, and estimates the distance between the smart device and each bluetooth beacon according to the received location information of the three bluetooth beacons and the corresponding RSSI values, thereby estimating the current location.
Preferably, S1 of the method includes that the bluetooth beacon broadcasts a data packet at preset time intervals, and the data packet includes the ID unique to the beacon and its attribute information.
For the scheme among the prior art, the utility model discloses an advantage:
the electric vehicle to be charged can find the charging pile quickly by combining GPS and the indoor navigation of the Bluetooth beacon when entering an indoor place or an underground garage, so that the charging of the electric vehicle becomes more convenient. By the indoor positioning system, the accuracy of the position can be controlled to be about 1 meter. Therefore, the purpose of quickly finding the automobile charging pile and charging in the closed space is achieved.
Drawings
The invention will be further described with reference to the following drawings and examples:
fig. 1 is a schematic diagram of the intelligent device estimating the current position according to the embodiment of the present invention;
fig. 2 is the utility model discloses smart machine and bluetooth beacon connected's schematic diagram
Fig. 3 is a schematic flow chart of navigation according to an embodiment of the present invention.
Detailed Description
The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present invention. The conditions used in the examples may be further adjusted according to the conditions of the particular manufacturer, and the conditions not specified are generally the conditions in routine experiments.
Example (b):
referring to fig. 1 and 2, describing an indoor positioning system based on a smart device, as shown in fig. 1, a smart device with a bluetooth module receives RSSI values (Received signal strength Indicator) of 3 bluetooth beacons (beacon a, beacon B, beacon C), and specific positions (x1, y1), (x2, y2), (x3, y3) of the three bluetooth beacons, and the distances d1, d2, d3 between the smart device and each bluetooth beacon can be determined according to the RSSI values of the bluetooth beacons. Specifically, by using (x1, y1), (x2, y2), (x3, y3), and d1, d2, d3, the APP uses its built-in algorithm to estimate the current (accurate) position (x0, y0) of the smart device (e.g. smart phone), and this current (accurate) position can correspond to the unique position in the current map database in the navigation module, thereby accurately locating the position of the smart device and the corresponding electric vehicle. As shown in fig. 2, the smart device 100 includes a bluetooth module and a navigation module, and the bluetooth module receives the signal of the bluetooth beacon and feeds the signal back to the navigation module. In this embodiment, in order to improve the positioning accuracy, the broadcast period of the bluetooth beacon may be set to be small. The Bluetooth beacon periodically sends information, the passing intelligent equipment can receive the information under the condition of not needing a password, the information is completely and transparently disclosed to any intelligent equipment, and therefore the information can be obtained without other operations and further service is provided for indoor navigation. The Bluetooth beacon is a physical device based on a Bluetooth 4.0 protocol, belongs to a LowEnergySmart device, only supports a BLE low-power-consumption protocol, and is extremely low in power consumption, so that the Bluetooth beacon can be continuously used for more than 1 year under the condition of using a button battery for power supply. The accuracy of the indoor location of bluetooth beacon can reach about 1 meter, and this kind of precision is enough to satisfy indoor location needs of finding the electric pile that fills. The combination of two kinds of equipment of indoor electric pile and indoor navigation bluetooth beacon of filling can find the parking stall that charges fast for the electric automobile user, avoids indoor complicated route to delay car owner's time. Meanwhile, the electric automobile is more convenient to charge due to the application, and the popularization of the new energy equipment of the electric automobile can be promoted as soon as possible.
In other embodiments, if the bluetooth beacon is used for a longer period of time, the broadcast period of the bluetooth beacon is adjusted to be appropriately longer.
As shown in fig. 3, the utility model discloses a flow diagram of navigation, this navigation contains, S1, it receives the signal that bluetooth beacon sent and conveys it to navigation module based on its bluetooth module of carrying on to acquire bluetooth beacon signal promptly smart machine, S2, estimate current position information promptly the navigation module estimates the current position information of smart machine based on the signal that receives, S3, recommend the navigation route, recommend the route of traveling to the charging station (fill electric pile) in this region promptly based on the map information that navigation module carried on and the current position information of estimation. Like this, can be convenient in indoor occasion or underground garage occasion find the charging station (fill electric pile), and then charge to electronic (vapour) car.
In one embodiment, corresponding bluetooth beacons are installed at various positions near an intersection, and the running direction of the current vehicle can be judged through the detected beacon ID. Preferably, the information received by the bluetooth module is fed back to a running direction detection module in the navigation module electrically connected with the bluetooth module, and the running direction detection module judges the running direction of the current vehicle based on the detected beacon ID.
In one embodiment, a smart device having an installed navigation module records the precise location of a destination parking space. Therefore, when the owner leaves the automobile for a period of time and returns to the automobile, the function of finding the automobile reversely can be realized through the navigation of the Bluetooth beacon in the way of returning. At the moment, the indoor level where the vehicle is located can be judged by corresponding the inherent attribute of the Bluetooth beacon and the map, and the vehicle can be navigated to an accurate parking space by the position calculated by the Bluetooth beacon in the same layer.
In one embodiment, the height of the installation position of the bluetooth beacon is controlled to be a fixed position within 3m, so that the positioning accuracy of the bluetooth beacon can be ensured, the beacons are preferably uniformly arranged in a triangle, each positioning point preferably uses 3 or more beacons, and the distance between each positioning point and each beacon is 4-8m, and the distance can become longer as the bluetooth technology advances. The closer the spacing, the more accurate the positioning.
In one embodiment, the bluetooth beacon is disposed at an entrance and an intersection of an indoor location or an underground garage location into which the electric vehicle is driven. Preferably, the bluetooth beacon is deployed at a distance (e.g., 5m,10m,20 m, depending on the application) at the entrance or the intersection of an indoor location or an underground garage location, so as to provide sufficient bluetooth communication time and reaction time of the driver, and avoid that the vehicle at the current location has not been estimated to have driven into the indoor or underground garage due to the faster speed of the electric vehicle. Therefore, the intelligent device wakes up the Bluetooth module, periodically sends data to the Bluetooth beacon, then locates the accurate position to the navigation module, calculates the navigation distance, and ensures that the reaction time of the driver is enough to judge the next driving path at the front intersection.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (8)
1. An indoor positioning system based on intelligent equipment, comprising: a plurality of Bluetooth beacons for periodically transmitting signals,
the intelligent device comprises a Bluetooth module used for matching and receiving signals of a Bluetooth beacon,
the navigation module is configured with a high-precision map, estimates the current position based on signals of a plurality of Bluetooth beacons received by the Bluetooth module, and recommends a navigation path based on the estimated current position.
2. The system of claim 1, wherein the navigation module includes accurate indoor map information of an indoor place where the electric vehicle is driven into or an underground garage place, which recommends a navigation path based on the estimated current position and a traveling direction of the current vehicle determined by the detected beacon ID.
3. The system of claim 1, wherein the bluetooth beacon is a bluetooth slave, and a data packet is broadcast at predetermined intervals, and the data packet includes a unique ID of the beacon and attribute information thereof.
4. The system of claim 3, wherein the number of Bluetooth beacons is at least 3.
5. The system of claim 1, wherein the bluetooth beacon is a bluetooth slave configured at or in front of an entrance/intersection of an indoor or underground garage site by a predetermined distance.
6. The system of claim 5 wherein the Bluetooth module, upon receiving a broadcast packet, reads the source of the broadcast packet and the current RSSI.
7. The system of claim 6, wherein the bluetooth module receives RSSI values of 3 bluetooth beacons, and estimates the distances between the smart device and each bluetooth beacon according to the received position information of the three bluetooth beacons and the corresponding RSSI values.
8. The system of claim 1, wherein the navigation module further comprises a driving direction detection module electrically connected to the navigation module and the bluetooth module, for receiving the information fed back by the bluetooth module and determining the driving direction of the current vehicle based on the detected beacon ID.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920451229.5U CN209842070U (en) | 2019-04-04 | 2019-04-04 | Indoor positioning system based on intelligent equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920451229.5U CN209842070U (en) | 2019-04-04 | 2019-04-04 | Indoor positioning system based on intelligent equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209842070U true CN209842070U (en) | 2019-12-24 |
Family
ID=68910099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920451229.5U Active CN209842070U (en) | 2019-04-04 | 2019-04-04 | Indoor positioning system based on intelligent equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209842070U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109870715A (en) * | 2019-04-04 | 2019-06-11 | 苏州足加新能源科技有限公司 | A kind of indoor locating system and air navigation aid based on smart machine |
-
2019
- 2019-04-04 CN CN201920451229.5U patent/CN209842070U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109870715A (en) * | 2019-04-04 | 2019-06-11 | 苏州足加新能源科技有限公司 | A kind of indoor locating system and air navigation aid based on smart machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109870715A (en) | A kind of indoor locating system and air navigation aid based on smart machine | |
| CN108230734B (en) | Outdoor wisdom parking system based on V2X communication | |
| CN106803355B (en) | Control system and control method for sharing bicycle | |
| US20190302275A1 (en) | Vehicle positioning method, apparatus and device | |
| CN103459188B (en) | Central server, the electrically-charging equipment registration system comprising this central server and electrically-charging equipment register method | |
| CN102226933B (en) | Parking route guidance method and device | |
| CN104008576B (en) | Vehicle on highway based on the Big Dipper freely flows electronic toll method, system and device | |
| CN109931927B (en) | Track recording method, indoor map drawing method, device, equipment and system | |
| CN109118794A (en) | Vehicle positioning method, device and terminal device | |
| US10166880B2 (en) | System for announcing predicted remaining amount of energy | |
| CN104284419A (en) | Indoor positioning and aided navigation method, device and system based on iBeacon | |
| CN104025166B (en) | Central side system and vehicle side system | |
| CN105339809A (en) | Vehicle-mounted device and spoofing detection method | |
| CN102027324A (en) | Apparatus and method for determining parking information | |
| CN101711345A (en) | Global positioning system error correction, vehicle tracking and object location | |
| CN104678421A (en) | Positioning control method | |
| CN102324182A (en) | Traffic road information detection system based on cellular network and detection method thereof | |
| CN103453911A (en) | Method, device and system for vehicle positioning | |
| CN112866918B (en) | Vehicle positioning system, vehicle positioning method and vehicle-mounted unit | |
| CN105321213A (en) | On-street parking fee collection management method and system | |
| CN110111597A (en) | A kind of parking stall management method and system | |
| CN109073391A (en) | Utilize the Vehicular navigation system and method for the location assistance from mesh network | |
| CN101086449A (en) | Navigation device dynamic target tracking method | |
| CN201314824Y (en) | Navigation system | |
| JP2012152018A (en) | Information processing system, and transmitter and receiver constituting the system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |